Today's biggest winners and losers in the stock market.

On this episode of Stock Movers:

- Gap (GAP) shares fall after Old Navy, the clothing retailer’s biggest brand, missed consensus expectations for same-store sales growth. Its forecast for 1Q gross margins was also weaker than analysts expected, as tariffs presented a 2 percentage-point headwind.

- Marvell Technology (MRVL) shares jumped after the chipmaker delivered a bullish sales outlook, saying that data center demand was growing even faster than anticipated. 

- Nutex Health (NUTX) fell 30% in trading after company reported EPS and sales below estimates.